HBV screening - A test that screens for the hepatitis B virus. Infants born to mothers with hepatitis B could become infected, possibly leading to liver damage.
HELLP syndrome - (hemolysis, elevated liver enzymes, low platelets) A rare, very serious condition occurring during pregnancy. The treatment is to deliver the baby.
Hemorrhoids - Painful, dilated blood vessels in the anal area. They often appear during pregnancy -- due to the weight of the fetus -- or postnatally, as a result of pushing during labor.
Hydrocephalus - Excessive cerebrospinal fluid build up around the brain, due to a neural tube defect or brought on by injury, or infection. Usually a lifelong condition, it is treated with shunts. Newborns with hydrocephalus may have normal life span and intelligence, but some experience learning disabilities and other complications.
Hyperemesis gravidarum - A very severe form of morning sickness characterized by extreme, unrelenting nausea, dehydration, and vomiting during pregnancy, and sometimes leading to hospitalization.